TY  - BOOK
AU  - Doerfler,Ronald W.
TI  - Dead reckoning: calculating without instruments 
SN  - 0884150879
U1  - 513.9 
PY  - 1993///
CY  - Houston
PB  - Gulf Pub. Co.
KW  - MCE
KW  - Ready-reckoners
N1  - 0; 0; 0; 513_900000000000000_DOE
ER  -